--- service: a.root-servers.net start-period: '2014-09-03T00:00:00Z' end-period: '2014-09-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3142341223 dns-udp-queries-received-ipv6: 222527773 dns-tcp-queries-received-ipv4: 32814300 dns-tcp-queries-received-ipv6: 2368349 dns-udp-responses-sent-ipv4: 3141498363 dns-udp-responses-sent-ipv6: 222470673 dns-tcp-responses-sent-ipv4: 30955530 dns-tcp-responses-sent-ipv6: 949702